# SDR ASAA2025121063476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2025
- Submitted: January 3, 2026
- Operation: Air carrier
- Aircraft: [N273AK](https://openairdocs.org/aircraft/N273AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61554
- Aircraft time: 29,646 hours, 9,589 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750234
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2025121063476

## Discrepancy

WHILE ACCOMPLISHING GVI FOUND AFT CARGO RT TRANSITION CORRODED STA 767 TO 727C. GROUNDED - YES. REMOVED CORROSION IAW SRM 53-00-53-1A-2, REMOVED AND REPLACED CORRODED TRANSITION PANEL SECTION IAW SRM 53-00-53-2R-5W= 2" O= .040 R= .025 L= 2" D= .012.

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